8. collision n. 碰撞 collide vi 碰撞，抚触
e.g. The plane collided with the mountain.___飞机和山撞了。_____
Let's hope that it will not take a direct black hole collision with Earth to determine whether Einstein was right.
___ 我们可不希望发生一次直接的黑洞碰撞地球才能证明爱因斯坦是正确的。
这是自1997年以来最为恶劣的一起事故，当时在湖南省中部发生列车相撞100多人死亡。
___ This is the worst accident since 1997, when a train collision in middle hunan province killed over 100 people.__________________
近义词：crash v./n. 坠毁
The tunnel where the crash and fire happened is still closed.___ 发生撞车和火灾的隧道仍处于关闭状态。____________
conflict vi. 和某事（某人）相抵触
e.g. My idea conflicts with yours.
clash vi. 相冲突
e.g: His wedding clashed with my examination, so I couldn’t go._他得婚礼和我的考试冲突了，所以我不能参加了。_____________
<!--[if !supportLists]-->9. <!--[endif]-->tremble v. People tremble when they are cold, excited or full of fear
看看，你的手在抖，你是怎么啦？__ You hands are trembling. What happened?_____________
N.用法 他的声音带着一丝颤抖。__ There is a tremble in his voice.______
近义词：
shiver v. Your body will shiver when you are cold or frightened
shake v.The noise was terrible when the planes took off— even our beds would shake.
shudder vi. 强调全身的颤栗
e.g. The boy is shuddering, why? Because he was frightened.
10. faint a.
adj. a. 微弱的b. unconscious 失去知觉
e.g. faint sound / weak sound; weak voice / faint voice___微弱的声音___
e.g. He has been faint for a long time.___他已经失去知觉很久了。_______
近义词：slight 轻微的，微不足道的
e.g. a slight headache____轻微的头痛_____
11. abandon v.a. 抛弃b. 因为某事而被迫放弃自己喜爱的事物
e.g. He abandoned his girl friend.
e.g. He abandoned his research because of the war.
近义词：desert 背弃，遗弃
e.g. desert the army; desert the duty; desert his family
abandon, desert 一般含义是“丢弃”。
abandon 的确切含义是失去控制，或丧失了占有的能力，或“放弃”某物而不准备再要了。
Good love makes you see the whole world from one person while bad love makes you abandon the whole world for one person.
___好的爱情让你从一个人身上看到更广阔的世界，而不好的爱情让你为一个人放弃整个世界。___
Some welfare advocates fear that the bad economy may cause parents with frayed nerves to abuse and neglect their children, and even cause some to abandon them.
__一些福利倡导者害怕不好的经济形势会导致精神状况不佳的父母虐待和忽视他们的孩子，甚至会遗弃他们的孩子。_______________
desert 的确切含义是“过去占有过”或“过去是伙伴”。狭义地讲，这个词指“抛弃自己的义务”。
a deserted village ____荒凉的村庄___
a deserted street at night ____深夜荒芜的街道____
the deserted wife and children ___被遗弃的妻儿____
As he hated army life, he decide to desert his regiment.
____因为他讨厌军队生活，他放弃了他得军团。___________________
12. plunge v./n. 投入，跳入
You plunge the red - hot iron into the bucket of water to cool it.__你把发红的铁块放进水桶里冷却。__
Forecasters don't expect an outright plunge in California real estate hprices.
____房产市场的预计者并不认为加州房价会快速跳水。________________
近义词：jump:侧重强调快速地跳
e.g. The boy is jumping up and down.
leap: 跳跃
e.g. He leapt out of the sleeping bad.
dive 跳水、潜水
<!--[if !supportLists]-->13.<!--[endif]-->crew 全体船员或机组成员（集合名词，用法同team，group，一般跟单数动词），如果要强调集体中的个体成员，一般使用crew member。
To make sure the aircrafts from being attacked by terrorists, each aircraft needs about 30 ground crew, who in turn have to be protected from attack.
___为了保证飞机不受恐怖分子的袭击，每架飞机需要30名的地面人员，而这些人同时也需要获得保护。________________
The crew members are busy preparing for the next spacewalk.
____机组成员正忙着准备下一次太空步行。_______________________
